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Cisco 300-820 - Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)

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Total 207 questions

The Cisco Webex Hybrid Message service is deployed geographically for separate Cisco Unified IM and

Presence clusters. What must be configured in the Cisco Webex Control Hub to achieve this deployment?

A.

geo-locations

B.

distributed DNS

C.

verified domains

D.

resource groups

Which two items are configured when deploying a B2B collaboration solution? (Choose two.)

A.

SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C

B.

search rules in Cisco Expressway-E

C.

SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-E

D.

traversal client on a Cisco Expressway-E

E.

DNS zone on a Cisco Expressway-C

An organization wants to enable a Cisco Webex connector to synchronize all employees automatically with Cisco Webex instead of using a manual list.

Where is the Webex Hybrid Directory Service configured?

A.

Install Cisco Directory Connector on a Microsoft Windows Domain server and configure the software and Webex Control Hub.

B.

Enable the directory service in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.

C.

Enable the directory service on Cisco Expressway Edge for Office 365 or Cisco Expressway Core for internal Active Directory and add the service in Webex Control Hub.

D.

Install the Cisco Express Connector and configure the device in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.

Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?

A.

Mobile and remote access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.

B.

SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.

C.

No Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.

D.

Although a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.

How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

A.

RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.

B.

When the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.

C.

RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.

D.

When the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

An engineer attempts to upload a server certificate to an Expressway-C server but receives an error when they click the upload button that says that the file is invalid. The engineer is advised that this happens because the certificate was signed incorrectly and is missing an attribute. What must the engineer do to upload the certificate?

A.

Create a certificate request via Certificate Services Web Page and ensure that the certificate validity period is five years because the Expressway server validates this during certificate import.

B.

Create a certificate request via the Certificate Services Web Page and ensure that the Subject Common Name field contains the server FQDN and all Cisco Unified CM phone security profile names.

C.

Create a new certificate template with "Server authentication” and "Client authentication" enabled and use this template when signing the Expressway server certificate.

D.

Create a new certificate template with the certificate attribute "Allow private key to be exported" enabled and use this template when signing the Expressway server certificate.

In which mode does the Cisco Expressway act as a SIP-H.323 gateway only if one or more of the endpoints are locally registered?

A.

registered only

B.

gateway only

C.

off

D.

Ion

In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

A.

Cisco Expressway-E and endpoints outside the enterprise

B.

Cisco Expressway-C, Cisco Unified Communications Manager, and IM&P

C.

Cisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager

D.

Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise

Cisco Collaboration deployment has video endpoints that can do B2B calls over the internet, but they also can make audio calls through a gateway. This ability means that someone from the internet can make fraud calls through the system. Which action must an engineer take to set up the search rules for calls that are being headed to the PSTN gateway?

A.

Ensure that only requests that are authenticated are allowed to make a PSTN call.

B.

Avoid using any wild card in the source settings in the search rules.

C.

Add registered devices only in the search rule for the PSTN gateway.

D.

Add registered devices only in the zone for the PSTN gateway.

What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

A.

The MRA license is missing on the Expressway-E.

B.

The Unified Communications zone is down.

C.

Transform is not configured on Expressway-E.

D.

The SRV record for _cisco-uds is misconfigured.

E.

The firewall is blocking the port.